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Hello,I'm asking this based on your experience.How many of you use DHCP Snooping , DAI and IP source guard in your network ? I want to make my network more secure and I was looking at this. When I was reading docs about this, everything seems wonderf...

Vinny by Level 1
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Resolved! HSRP Learn state

Reading up on HSRP and I saw the following  on the Cisco.com website:Learn - The router has not determined the virtual IP address and has                     not yet seen an authenticated hello message from the active router. In this                 ...

lquin1978 by Level 1
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Since VLAN 1 is the "default" vlan, does it get passed in a trunk even though VLAN 1 has been disabled on the switch?Again VLAN 1 being the "default" vlan, does it get passed even though it is not on the vlan allowed list?    

Steve Fry by Level 1
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                   We currently have a wireless link between some of our sites that appears as a multi-point mesh to the network even though it is physically a point-to-point network. We are looking to provide a backup link for this mesh using a diff...

Hi All, My concern is that if we have three switches connected in triangular fashion and flex link feature is used only on one switch then do we see any layer 2 issues?For example if we consider this topology :If all the links above are configured as...

I have many 3560 access layer switch spread across the campus.  Over the past few weeks, my Cisco Prime LMS server has alerted me at random times the management ip address of various switches is down.  I have confirmed from my system that I cannot re...

Hi !I am currently managing the IT of a Hotel that uses Cisco 2950 switches and a backbone Cisco Catalyst 3550 to provide wired Internet to Guest Rooms.Each Guest room uses one port of the Cisco 2950 switch and it is set up as a VLAN (for example roo...

mdanalis by Level 1
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Each time ESXi is powered on, either on a gigabyte switch or on a FastEthernet Switch ... I have packet drop. Have a look at the picture so see what I mean.Here's the scenario:Cable Modem ----> 2821 Gi0/0 -----> 3550 Gi0/0----Port-Channel 1          ...

Hi All,I just got this doubt. As we can see how many hops are packet is taking to reach the destination.Do we have any command to see how many switches a frame is hopping to reach the destination ?I'm practicing for my CCNA.I was just playing with PT...

Hi Everybody,I have pasted the whole configuration of my cisco 3760 switch.I have two issues.1. I cannot telnet to this switch.2. on ethernet port 1/0/1 i have configured switch mode trunk. i am not getting ip address on this port other wise i am get...

macboy276 by Level 1
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Qus) Ip address can be used to specify a broadcast and map to hardware broadcast if available.by conversion broadcast address has hosted with all bits.(1) 0(2) 1(3) Both (1) and (2)(4) None of these What will be the answer of this question in above o...

I've just purchased an SG200-08 switch and was expecting to be able to put text desciprions on the individual LAN switch ports, but there's no option to do so.Prior to purchasing this item I tried the emulator here and on the SG200-50P and this model...

idh by Level 1
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